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The State Library of Pennsylvania

The State Library of Pennsylvania collects, preserves, and provides access to materials for, by, and about Pennsylvania to meet the information and research needs of all branches of state government, libraries, and the public.

The State Library of Pennsylvania temporary Keystone location is closed to visitors while the move back to the Forum takes place.  Online services are available on request--contact the State Library via email or phone to inquire during this period.

Please use the service request form to determine if you need to schedule an appointment

Visit the State Library of Pennsylvania:
Commonwealth Keystone Building
Plaza Library (Museum Plaza Wing)
400 North St.
Harrisburg, PA 17120-0211
ADA Access: Use Forster Street entrance
Parking: Metered parking Third St. or Forster St.

Get directions and parking information.

Staff provide virtual services and programming Monday through Friday from 8:30 AM to 5:00 PM and can be contacted directly via phone or email below: 

Area of Interest Email Phone
Circulation/Public Service ra-circulation@pa.gov717-787-3169
Interlibrary Loan ra-ill@pa.gov717-787-4130
Reference and Rare Collections ra-reflib@pa.gov717-783-5950
Law and Government Documents Reference ra-law@pa.gov717-787-3273

Complete an online library card application to request a State Library of Pennsylvania card.  

Submit an online reference request for help with using the State Library of Pennsylvania.

Ask a question and get answers from a librarian via Chat with a Librarian. The Chat with a Librarian service is a part of POWER Library

Visit the State Library Makerspace and STEMlab (by appointment only):
State Museum of Pennsylvania
300 North St., Ground Floor, Delaware Room
Harrisburg, PA 17120
Location: Ground Floor, Delaware Room
ADA Access: Use Third Street entrance
Parking: Metered parking Third St. or Forster St.
Email the